DE59304256D1 - Internal gear pump for hydraulic fluid - Google Patents

Internal gear pump for hydraulic fluid

Info

Publication number
DE59304256D1
DE59304256D1 DE59304256T DE59304256T DE59304256D1 DE 59304256 D1 DE59304256 D1 DE 59304256D1 DE 59304256 T DE59304256 T DE 59304256T DE 59304256 T DE59304256 T DE 59304256T DE 59304256 D1 DE59304256 D1 DE 59304256D1
Authority
DE
Germany
Prior art keywords
hydraulic fluid
internal gear
gear pump
pump
internal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE59304256T
Other languages
German (de)
Inventor
Siegfried Hertell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Magna Powertrain Hueckeswagen GmbH
Original Assignee
LuK Automobiltechnik GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LuK Automobiltechnik GmbH and Co KG filed Critical LuK Automobiltechnik GmbH and Co KG
Application granted granted Critical
Publication of DE59304256D1 publication Critical patent/DE59304256D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C15/064—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps
    • F04C15/066—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps of the non-return type
    • F04C15/068—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps of the non-return type of the elastic type, e.g. reed valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/084—Toothed wheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
DE59304256T 1992-06-29 1993-06-29 Internal gear pump for hydraulic fluid Expired - Fee Related DE59304256D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4221326 1992-06-29

Publications (1)

Publication Number Publication Date
DE59304256D1 true DE59304256D1 (en) 1996-11-28

Family

ID=6462083

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59304256T Expired - Fee Related DE59304256D1 (en) 1992-06-29 1993-06-29 Internal gear pump for hydraulic fluid

Country Status (2)

Country Link
EP (1) EP0579981B1 (en)
DE (1) DE59304256D1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1271052B (en) * 1993-11-18 1997-05-26 INTERNAL GEAR PUMP WITH VOLUMETRIC PROJECTIONS
CA2979688C (en) 2015-03-16 2021-09-21 Saudi Arabian Oil Company Equal-walled gerotor pump for wellbore applications
DE102016121240A1 (en) 2016-11-07 2018-05-09 Nidec Gpm Gmbh Electric gerotor pump and method of making same
US11371326B2 (en) 2020-06-01 2022-06-28 Saudi Arabian Oil Company Downhole pump with switched reluctance motor
US11499563B2 (en) 2020-08-24 2022-11-15 Saudi Arabian Oil Company Self-balancing thrust disk
US11920469B2 (en) 2020-09-08 2024-03-05 Saudi Arabian Oil Company Determining fluid parameters
US11644351B2 (en) 2021-03-19 2023-05-09 Saudi Arabian Oil Company Multiphase flow and salinity meter with dual opposite handed helical resonators
US11591899B2 (en) 2021-04-05 2023-02-28 Saudi Arabian Oil Company Wellbore density meter using a rotor and diffuser
US11913464B2 (en) 2021-04-15 2024-02-27 Saudi Arabian Oil Company Lubricating an electric submersible pump
US11994016B2 (en) 2021-12-09 2024-05-28 Saudi Arabian Oil Company Downhole phase separation in deviated wells

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB223257A (en) * 1923-04-16 1924-10-16 Hill Engineering Company Inc Improvements in rotors for rotary compressors and the like
US3139835A (en) * 1962-08-15 1964-07-07 Davey Compressor Co Rotary pump or motor
DE3444859A1 (en) * 1983-12-14 1985-06-27 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Rotary cellular pump for hydraulic systems
EP0315878B1 (en) * 1987-11-07 1992-04-01 Barmag Ag Internal gear pump
DE59104131D1 (en) * 1990-09-01 1995-02-16 Barmag Luk Automobiltech Internal gear pump for hydraulic fluid.

Also Published As

Publication number Publication date
EP0579981B1 (en) 1996-10-23
EP0579981A1 (en) 1994-01-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: IXETIC HUECKESWAGEN GMBH, 42499 HUECKESWAGEN, DE

8339 Ceased/non-payment of the annual fee